Additional means used in combination with the main valve

Additional means used in combination with the main valve · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF16K1/307
Official title{Additional means used in combination with the main valve}
Display labelAdditional means used in combination with the main valve
Total patents40

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20167
20175
20187
20195
20202
20215
20221
20232
20254

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC F16K1/307?
CPC F16K1/307 is the Cooperative Patent Classification code for “Additional means used in combination with the main valve.”
How many patents are filed under CPC F16K1/307 (Additional means used in combination with the main valve)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC F16K1/307 growing?
Publication counts under this code: 2 in 2023 vs 4 in 2025 (latest complete years).